package vip.george.user.loadbalance;

import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.cloud.nacos.loadbalancer.NacosLoadBalancer;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.loadbalancer.core.ReactorLoadBalancer;
import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
import org.springframework.cloud.loadbalancer.support.LoadBalancerClientFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;

/**
 * @author george
 * @since 2023/7/4
 * <p>自定义选择负载均衡器的配置</p>
 */

@Configuration
public class CustomLoadBalancerConfiguration {

    /*
       使用NacosLoadBalancer负载均衡器
     */
    @Bean
    public ReactorLoadBalancer<ServiceInstance> randomLoadBalancer(Environment environment, LoadBalancerClientFactory loadBalancerClientFactory, NacosDiscoveryProperties properties) {
        String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);

        return new NacosLoadBalancer(loadBalancerClientFactory.getLazyProvider(name, ServiceInstanceListSupplier.class), name, properties);
    }

}

